1. Department of Mathematics and Social Sciences, Sukkur IBA University, Sukkur 65200, Sindh, Pakistan
2. Department of Mathematics, Universiti Tun Hussein Onn Malaysia (UTHM), 86400 Parit Raja, Batu Pahat, Johor, Malaysia
3. Department of Mathematics Education, Akenten Appiah Menka University of Skills Training and Entrepreneurial, Kumasi, Ghana